mirror of
https://github.com/ganelson/inform.git
synced 2024-07-16 22:14:23 +03:00
479 lines
76 KiB
HTML
479 lines
76 KiB
HTML
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
|
|
<html>
|
|
<head>
|
|
<title>New Literal Pattern Requests</title>
|
|
<link href="../docs-assets/Breadcrumbs.css" rel="stylesheet" rev="stylesheet" type="text/css">
|
|
<meta name="viewport" content="width=device-width initial-scale=1">
|
|
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
|
|
<meta http-equiv="Content-Language" content="en-gb">
|
|
|
|
<link href="../docs-assets/Contents.css" rel="stylesheet" rev="stylesheet" type="text/css">
|
|
<link href="../docs-assets/Progress.css" rel="stylesheet" rev="stylesheet" type="text/css">
|
|
<link href="../docs-assets/Navigation.css" rel="stylesheet" rev="stylesheet" type="text/css">
|
|
<link href="../docs-assets/Fonts.css" rel="stylesheet" rev="stylesheet" type="text/css">
|
|
<link href="../docs-assets/Base.css" rel="stylesheet" rev="stylesheet" type="text/css">
|
|
<script>
|
|
function togglePopup(material_id) {
|
|
var popup = document.getElementById(material_id);
|
|
popup.classList.toggle("show");
|
|
}
|
|
</script>
|
|
|
|
<link href="../docs-assets/Popups.css" rel="stylesheet" rev="stylesheet" type="text/css">
|
|
<link href="../docs-assets/Colours.css" rel="stylesheet" rev="stylesheet" type="text/css">
|
|
<link href="../docs-assets/Preform-Colours.css" rel="stylesheet" rev="stylesheet" type="text/css">
|
|
|
|
</head>
|
|
<body class="commentary-font">
|
|
<nav role="navigation">
|
|
<h1><a href="../index.html">
|
|
<img src="../docs-assets/Inform.png" height=72">
|
|
</a></h1>
|
|
<ul><li><a href="../compiler.html">compiler tools</a></li>
|
|
<li><a href="../other.html">other tools</a></li>
|
|
<li><a href="../extensions.html">extensions and kits</a></li>
|
|
<li><a href="../units.html">unit test tools</a></li>
|
|
</ul><h2>Compiler Webs</h2><ul>
|
|
<li><a href="../inbuild/index.html">inbuild</a></li>
|
|
<li><a href="../inform7/index.html">inform7</a></li>
|
|
<li><a href="../inter/index.html">inter</a></li>
|
|
</ul><h2>Inbuild Modules</h2><ul>
|
|
<li><a href="../supervisor-module/index.html">supervisor</a></li>
|
|
</ul><h2>Inform7 Modules</h2><ul>
|
|
<li><a href="../core-module/index.html">core</a></li>
|
|
<li><a href="index.html"><span class="selectedlink">assertions</span></a></li>
|
|
<li><a href="../values-module/index.html">values</a></li>
|
|
<li><a href="../knowledge-module/index.html">knowledge</a></li>
|
|
<li><a href="../imperative-module/index.html">imperative</a></li>
|
|
<li><a href="../runtime-module/index.html">runtime</a></li>
|
|
<li><a href="../if-module/index.html">if</a></li>
|
|
<li><a href="../multimedia-module/index.html">multimedia</a></li>
|
|
<li><a href="../index-module/index.html">index</a></li>
|
|
</ul><h2>Inter Modules</h2><ul>
|
|
<li><a href="../bytecode-module/index.html">bytecode</a></li>
|
|
<li><a href="../building-module/index.html">building</a></li>
|
|
<li><a href="../codegen-module/index.html">codegen</a></li>
|
|
</ul><h2>Services</h2><ul>
|
|
<li><a href="../arch-module/index.html">arch</a></li>
|
|
<li><a href="../calculus-module/index.html">calculus</a></li>
|
|
<li><a href="../html-module/index.html">html</a></li>
|
|
<li><a href="../inflections-module/index.html">inflections</a></li>
|
|
<li><a href="../kinds-module/index.html">kinds</a></li>
|
|
<li><a href="../linguistics-module/index.html">linguistics</a></li>
|
|
<li><a href="../problems-module/index.html">problems</a></li>
|
|
<li><a href="../syntax-module/index.html">syntax</a></li>
|
|
<li><a href="../words-module/index.html">words</a></li>
|
|
<li><a href="../../../inweb/docs/foundation-module/index.html">foundation</a></li>
|
|
|
|
</ul>
|
|
</nav>
|
|
<main role="main">
|
|
<!--Weave of 'New Literal Pattern Requests' generated by Inweb-->
|
|
<div class="breadcrumbs">
|
|
<ul class="crumbs"><li><a href="../index.html">Home</a></li><li><a href="../compiler.html">Inform7</a></li><li><a href="index.html">assertions</a></li><li><a href="index.html#3">Chapter 3: Requests</a></li><li><b>New Literal Pattern Requests</b></li></ul></div>
|
|
<p class="purpose">Special sentences creating new notations for literal values.</p>
|
|
|
|
<p class="commentary firstcommentary"><a id="SP1" class="paragraph-anchor"></a><b>§1. </b>The ability to create new ways to write literal values is one of the best
|
|
features of Inform, but it is complex to parse, and has around 30 problem
|
|
messages associated with it. The <span class="extract"><span class="extract-syntax">:literals</span></span> set of test cases may be useful
|
|
when tweaking the code below.
|
|
</p>
|
|
|
|
<p class="commentary">The first point to note is that "X specifies Y" sentences have two different
|
|
uses, but that both are covered below. First, they create literal patterns,
|
|
and the syntax for that can be quite involved:
|
|
</p>
|
|
|
|
<blockquote>
|
|
<p>1 tonne (in metric units, in tonnes, singular) specifies a mass scaled up by 1000.</p>
|
|
</blockquote>
|
|
|
|
<p class="commentary">Second, they can gives dimensional instructions about kinds:
|
|
</p>
|
|
|
|
<blockquote>
|
|
<p>A length times a length specifies an area.</p>
|
|
</blockquote>
|
|
|
|
<p class="commentary">This is a slightly unhappy ambiguity, but the potential for confusion is low.
|
|
Nobody who defines a literal pattern with the word "times" in can expect good
|
|
results anyway, given that "times" will usually be interpreted as
|
|
multiplication when Inform eventually parses such a literal.
|
|
</p>
|
|
|
|
<p class="commentary firstcommentary"><a id="SP2" class="paragraph-anchor"></a><b>§2. </b>We create new literal pattenrs during pass 1, which imposes two timing
|
|
constraints:
|
|
</p>
|
|
|
|
<ul class="items"><li>(a) The specification sentence must come after the sentence creating the
|
|
kind of value being specified; but
|
|
</li><li>(b) It must come before any sentences using constants written in this
|
|
notation.
|
|
</li></ul>
|
|
<p class="commentary">In practice both constraints seem to be accepted by users as reasonable,
|
|
and this causes no trouble.
|
|
</p>
|
|
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="function-syntax">LPRequests::specifies_SMF</span><button class="popup" onclick="togglePopup('usagePopup1')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup1">Usage of <span class="code-font"><span class="function-syntax">LPRequests::specifies_SMF</span></span>:<br/>Booting Verbs - <a href="2-bv.html#SP1_3">§1.3</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">task</span><span class="plain-syntax">, </span><span class="identifier-syntax">parse_node</span><span class="plain-syntax"> *</span><span class="identifier-syntax">V</span><span class="plain-syntax">, </span><span class="identifier-syntax">wording</span><span class="plain-syntax"> *</span><span class="identifier-syntax">NPs</span><span class="plain-syntax">) {</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">wording</span><span class="plain-syntax"> </span><span class="identifier-syntax">SW</span><span class="plain-syntax"> = (</span><span class="identifier-syntax">NPs</span><span class="plain-syntax">)?(</span><span class="identifier-syntax">NPs</span><span class="plain-syntax">[0]):</span><span class="identifier-syntax">EMPTY_WORDING</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">wording</span><span class="plain-syntax"> </span><span class="identifier-syntax">OW</span><span class="plain-syntax"> = (</span><span class="identifier-syntax">NPs</span><span class="plain-syntax">)?(</span><span class="identifier-syntax">NPs</span><span class="plain-syntax">[1]):</span><span class="identifier-syntax">EMPTY_WORDING</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">switch</span><span class="plain-syntax"> (</span><span class="identifier-syntax">task</span><span class="plain-syntax">) {</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">case</span><span class="plain-syntax"> </span><span class="identifier-syntax">ACCEPT_SMFT:</span><span class="plain-syntax"> </span><span class="comment-syntax"> "10'23 specifies a running time."</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="function-syntax"><np-alternative-list></span><span class="plain-syntax">(</span><span class="identifier-syntax">SW</span><span class="plain-syntax">)) {</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">parse_node</span><span class="plain-syntax"> *</span><span class="identifier-syntax">S</span><span class="plain-syntax"> = </span><span class="function-syntax"><<rp>></span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="function-syntax"><np-unparsed></span><span class="plain-syntax">(</span><span class="identifier-syntax">OW</span><span class="plain-syntax">)) {</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">parse_node</span><span class="plain-syntax"> *</span><span class="identifier-syntax">O</span><span class="plain-syntax"> = </span><span class="function-syntax"><<rp>></span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">V</span><span class="plain-syntax">-></span><span class="element-syntax">next</span><span class="plain-syntax"> = </span><span class="identifier-syntax">S</span><span class="plain-syntax">; </span><span class="identifier-syntax">V</span><span class="plain-syntax">-></span><span class="element-syntax">next</span><span class="plain-syntax">-></span><span class="element-syntax">next</span><span class="plain-syntax"> = </span><span class="identifier-syntax">O</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">TRUE</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> }</span>
|
|
<span class="plain-syntax"> }</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">break</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">case</span><span class="plain-syntax"> </span><span class="identifier-syntax">PASS_1_SMFT:</span>
|
|
<span class="plain-syntax"> </span><a href="3-nlpr.html#SP4" class="function-link"><span class="function-syntax">LPRequests::new_list</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">V</span><span class="plain-syntax">-></span><span class="element-syntax">next</span><span class="plain-syntax">, </span><span class="identifier-syntax">V</span><span class="plain-syntax">-></span><span class="element-syntax">next</span><span class="plain-syntax">-></span><span class="element-syntax">next</span><span class="plain-syntax">, </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">break</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> }</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax">}</span>
|
|
</pre>
|
|
<p class="commentary firstcommentary"><a id="SP3" class="paragraph-anchor"></a><b>§3. </b>The code in this section parses sentences which set up new literal patterns,
|
|
puts the (quite complicated) result into a <a href="3-nlpr.html#SP3" class="internal">lp_specification</a> object, and
|
|
sends that to <a href="../values-module/3-lp.html" class="internal">Literal Patterns (in values)</a>.
|
|
</p>
|
|
|
|
<pre class="definitions code-font"><span class="definition-keyword">define</span> <span class="constant-syntax">SINGULAR_LPN</span><span class="plain-syntax"> </span><span class="constant-syntax">1</span>
|
|
<span class="definition-keyword">define</span> <span class="constant-syntax">PLURAL_LPN</span><span class="plain-syntax"> </span><span class="constant-syntax">2</span>
|
|
<span class="definition-keyword">define</span> <span class="constant-syntax">ABANDON_LPN</span><span class="plain-syntax"> </span><span class="constant-syntax">4</span><span class="plain-syntax"> </span><span class="comment-syntax"> for error recovery only</span>
|
|
</pre>
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="reserved-syntax">typedef</span><span class="plain-syntax"> </span><span class="reserved-syntax">struct</span><span class="plain-syntax"> </span><span class="reserved-syntax">lp_specification</span><span class="plain-syntax"> {</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">struct</span><span class="plain-syntax"> </span><span class="identifier-syntax">wording</span><span class="plain-syntax"> </span><span class="identifier-syntax">notation_wording</span><span class="plain-syntax">; </span><span class="comment-syntax"> the actual notation, e.g., "2 tonnes"</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">struct</span><span class="plain-syntax"> </span><span class="identifier-syntax">kind</span><span class="plain-syntax"> *</span><span class="identifier-syntax">kind_specified</span><span class="plain-syntax">; </span><span class="comment-syntax"> what kind this sentence specifies</span>
|
|
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">scaled_dir</span><span class="plain-syntax">; </span><span class="comment-syntax"> one of the </span><span class="extract"><span class="extract-syntax">LP_SCALED_*</span></span><span class="comment-syntax"> constants above</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">scale_factor</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">double</span><span class="plain-syntax"> </span><span class="identifier-syntax">scale_factor_as_double</span><span class="plain-syntax">;</span>
|
|
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">struct</span><span class="plain-syntax"> </span><span class="identifier-syntax">parse_node</span><span class="plain-syntax"> *</span><span class="identifier-syntax">equivalent_value</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">double</span><span class="plain-syntax"> </span><span class="identifier-syntax">equivalent_value_as_double</span><span class="plain-syntax">;</span>
|
|
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">struct</span><span class="plain-syntax"> </span><span class="identifier-syntax">parse_node</span><span class="plain-syntax"> *</span><span class="identifier-syntax">offset_value</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">double</span><span class="plain-syntax"> </span><span class="identifier-syntax">offset_value_as_double</span><span class="plain-syntax">;</span>
|
|
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">uses_real_arithmetic</span><span class="plain-syntax">;</span>
|
|
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">notation_options</span><span class="plain-syntax">; </span><span class="comment-syntax"> a bitmap of the </span><span class="extract"><span class="extract-syntax">*_LPN</span></span><span class="comment-syntax"> values</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">struct</span><span class="plain-syntax"> </span><span class="identifier-syntax">literal_pattern_name</span><span class="plain-syntax"> *</span><span class="identifier-syntax">notation_groups</span><span class="plain-syntax">; </span><span class="comment-syntax"> "in metric units", and so on</span>
|
|
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">struct</span><span class="plain-syntax"> </span><span class="identifier-syntax">parse_node</span><span class="plain-syntax"> *</span><span class="identifier-syntax">part_np_list</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax">} </span><span class="reserved-syntax">lp_specification</span><span class="plain-syntax">;</span>
|
|
|
|
<span class="reserved-syntax">lp_specification</span><span class="plain-syntax"> </span><span class="identifier-syntax">glps</span><span class="plain-syntax">;</span>
|
|
|
|
<span class="reserved-syntax">void</span><span class="plain-syntax"> </span><span class="function-syntax">LPRequests::initialise</span><button class="popup" onclick="togglePopup('usagePopup2')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup2">Usage of <span class="code-font"><span class="function-syntax">LPRequests::initialise</span></span>:<br/><a href="3-nlpr.html#SP4">§4</a></span></button><span class="plain-syntax">(</span><span class="reserved-syntax">lp_specification</span><span class="plain-syntax"> *</span><span class="identifier-syntax">lps</span><span class="plain-syntax">) {</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">lps</span><span class="plain-syntax">-></span><span class="element-syntax">scaled_dir</span><span class="plain-syntax"> = </span><span class="identifier-syntax">LP_SCALED_UP</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">lps</span><span class="plain-syntax">-></span><span class="element-syntax">scale_factor</span><span class="plain-syntax"> = </span><span class="constant-syntax">1</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">lps</span><span class="plain-syntax">-></span><span class="element-syntax">scale_factor_as_double</span><span class="plain-syntax"> = </span><span class="constant-syntax">1</span><span class="plain-syntax">.0;</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">lps</span><span class="plain-syntax">-></span><span class="element-syntax">equivalent_value_as_double</span><span class="plain-syntax"> = </span><span class="constant-syntax">0</span><span class="plain-syntax">.0;</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">lps</span><span class="plain-syntax">-></span><span class="element-syntax">equivalent_value</span><span class="plain-syntax"> = </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">lps</span><span class="plain-syntax">-></span><span class="element-syntax">offset_value_as_double</span><span class="plain-syntax"> = </span><span class="constant-syntax">0</span><span class="plain-syntax">.0;</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">lps</span><span class="plain-syntax">-></span><span class="element-syntax">offset_value</span><span class="plain-syntax"> = </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">lps</span><span class="plain-syntax">-></span><span class="element-syntax">uses_real_arithmetic</span><span class="plain-syntax"> = </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">lps</span><span class="plain-syntax">-></span><span class="element-syntax">notation_options</span><span class="plain-syntax"> = </span><span class="constant-syntax">0</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">lps</span><span class="plain-syntax">-></span><span class="element-syntax">notation_groups</span><span class="plain-syntax"> = </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">lps</span><span class="plain-syntax">-></span><span class="element-syntax">notation_wording</span><span class="plain-syntax"> = </span><span class="identifier-syntax">EMPTY_WORDING</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">lps</span><span class="plain-syntax">-></span><span class="element-syntax">part_np_list</span><span class="plain-syntax"> = </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax">}</span>
|
|
</pre>
|
|
<ul class="endnotetexts"><li>The structure lp_specification is private to this section.</li></ul>
|
|
<p class="commentary firstcommentary"><a id="SP4" class="paragraph-anchor"></a><b>§4. </b>One can define LPs with a list of alternatives, of which the first is the
|
|
"primary alternative" and said to be the "owner" of the rest. For instance:
|
|
</p>
|
|
|
|
<blockquote>
|
|
<p>1 tonne (in metric units, in tonnes, singular) or 2 tonnes (in metric units,</p>
|
|
</blockquote>
|
|
|
|
<p class="commentary">in tonnes, plural) specifies a mass scale_factor up by 1000.
|
|
</p>
|
|
|
|
<p class="commentary">Here "1 tonne" is the primary alternative, and it owns "2 tonnes".
|
|
</p>
|
|
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="identifier-syntax">literal_pattern</span><span class="plain-syntax"> *</span><span class="function-syntax">LPRequests::new_list</span><button class="popup" onclick="togglePopup('usagePopup3')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup3">Usage of <span class="code-font"><span class="function-syntax">LPRequests::new_list</span></span>:<br/><a href="3-nlpr.html#SP2">§2</a></span></button><span class="plain-syntax">(</span><span class="identifier-syntax">parse_node</span><span class="plain-syntax"> *</span><span class="identifier-syntax">p</span><span class="plain-syntax">,</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">parse_node</span><span class="plain-syntax"> *</span><span class="identifier-syntax">q</span><span class="plain-syntax">, </span><span class="identifier-syntax">literal_pattern</span><span class="plain-syntax"> *</span><span class="identifier-syntax">m</span><span class="plain-syntax">) {</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">Node::get_type</span><span class="plain-syntax">(</span><span class="identifier-syntax">p</span><span class="plain-syntax">) == </span><span class="identifier-syntax">AND_NT</span><span class="plain-syntax">) {</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">m</span><span class="plain-syntax"> = </span><a href="3-nlpr.html#SP4" class="function-link"><span class="function-syntax">LPRequests::new_list</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">p</span><span class="plain-syntax">-></span><span class="identifier-syntax">down</span><span class="plain-syntax">, </span><span class="identifier-syntax">q</span><span class="plain-syntax">, </span><span class="identifier-syntax">m</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><a href="3-nlpr.html#SP4" class="function-link"><span class="function-syntax">LPRequests::new_list</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">p</span><span class="plain-syntax">-></span><span class="identifier-syntax">down</span><span class="plain-syntax">-></span><span class="element-syntax">next</span><span class="plain-syntax">, </span><span class="identifier-syntax">q</span><span class="plain-syntax">, </span><span class="identifier-syntax">m</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> }</span>
|
|
<span class="plain-syntax"> </span><a href="3-nlpr.html#SP3" class="function-link"><span class="function-syntax">LPRequests::initialise</span></a><span class="plain-syntax">(&</span><span class="identifier-syntax">glps</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="named-paragraph-container code-font"><a href="3-nlpr.html#SP4_2" class="named-paragraph-link"><span class="named-paragraph">Parse the object noun phrase of the specifies sentence</span><span class="named-paragraph-number">4.2</span></a></span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="named-paragraph-container code-font"><a href="3-nlpr.html#SP4_1" class="named-paragraph-link"><span class="named-paragraph">Parse the subject noun phrase of the specifies sentence</span><span class="named-paragraph-number">4.1</span></a></span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">LiteralPatterns::new_literal_specification_inner</span><span class="plain-syntax">(&</span><span class="identifier-syntax">glps</span><span class="plain-syntax">, </span><span class="identifier-syntax">p</span><span class="plain-syntax">, </span><span class="identifier-syntax">q</span><span class="plain-syntax">, </span><span class="identifier-syntax">m</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax">}</span>
|
|
</pre>
|
|
<p class="commentary firstcommentary"><a id="SP4_1" class="paragraph-anchor"></a><b>§4.1. </b><span class="named-paragraph-container code-font"><span class="named-paragraph-defn">Parse the subject noun phrase of the specifies sentence</span><span class="named-paragraph-number">4.1</span></span><span class="comment-syntax"> =</span>
|
|
</p>
|
|
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="plain-syntax"> </span><span class="function-syntax"><specifies-sentence-subject></span><span class="plain-syntax">(</span><span class="identifier-syntax">Node::get_text</span><span class="plain-syntax">(</span><span class="identifier-syntax">p</span><span class="plain-syntax">));</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">glps</span><span class="plain-syntax">.</span><span class="element-syntax">notation_wording</span><span class="plain-syntax"> = </span><span class="identifier-syntax">GET_RW</span><span class="plain-syntax">(</span><span class="function-syntax"><specifies-sentence-subject></span><span class="plain-syntax">, </span><span class="constant-syntax">1</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">glps</span><span class="plain-syntax">.</span><span class="element-syntax">notation_options</span><span class="plain-syntax"> = </span><span class="function-syntax"><<r>></span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">glps</span><span class="plain-syntax">.</span><span class="element-syntax">notation_groups</span><span class="plain-syntax"> = </span><span class="function-syntax"><<rp>></span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">glps</span><span class="plain-syntax">.</span><span class="element-syntax">notation_options</span><span class="plain-syntax"> & </span><span class="constant-syntax">ABANDON_LPN</span><span class="plain-syntax">) </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">m</span><span class="plain-syntax">;</span>
|
|
</pre>
|
|
<ul class="endnotetexts"><li>This code is used in <a href="3-nlpr.html#SP4">§4</a>.</li></ul>
|
|
<p class="commentary firstcommentary"><a id="SP5" class="paragraph-anchor"></a><b>§5. </b>The following grammar is used to parse the new literal patterns defined
|
|
in a "specifies" sentence.
|
|
</p>
|
|
|
|
<p class="commentary">Formally, the subject noun phrase of a "specifies" sentence must be a list
|
|
of alternatives each of which matches the following:
|
|
</p>
|
|
|
|
<pre class="Preform-displayed-code all-displayed-code code-font">
|
|
<span class="Preform-function-syntax"><specifies-sentence-subject></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">::=</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">...</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">(</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">{<lp-group-list>}</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">)</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">|</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> { pass 1 }</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><k-kind-articled></span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">times</span><span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><k-kind-articled></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">|</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> </span><span class="named-paragraph-container code-font"><a href="3-nlpr.html#SP5_1" class="named-paragraph-link"><span class="named-paragraph">Store left and right kinds</span><span class="named-paragraph-number">5.1</span></a></span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><s-type-expression></span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">times</span><span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><s-type-expression></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">|</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> </span><span class="named-paragraph-container code-font"><a href="3-nlpr.html#SP5_2" class="named-paragraph-link"><span class="named-paragraph">Issue PM_MultiplyingNonKOVs problem</span><span class="named-paragraph-number">5.2</span></a></span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">...</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> { 0, NULL }</span>
|
|
|
|
<span class="Preform-function-syntax"><lp-group-list></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">::=</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><lp-group></span><span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><lp-group-tail></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">|</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> { R[1] | R[2], LPRequests::compose(RP[1], RP[2]) }</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><lp-group></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> { pass 1 }</span>
|
|
|
|
<span class="Preform-function-syntax"><lp-group-tail></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">::=</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">,</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">and</span><span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><lp-group-list></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">|</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> { pass 1 }</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">,/and</span><span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><lp-group-list></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> { pass 1 }</span>
|
|
|
|
<span class="Preform-function-syntax"><lp-group></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">::=</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">singular</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">|</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> { SINGULAR_LPN, NULL }</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">plural</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">|</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> { PLURAL_LPN, NULL }</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><lp-group-name></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">|</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> { 0, LiteralPatterns::new_lpn(EMPTY_WORDING, RP[1]) }</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">in</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">......</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">|</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> { 0, LiteralPatterns::new_lpn(W, NULL) }</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">......</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> </span><span class="named-paragraph-container code-font"><a href="3-nlpr.html#SP5_3" class="named-paragraph-link"><span class="named-paragraph">Issue PM_BadLPNameOption problem</span><span class="named-paragraph-number">5.3</span></a></span>
|
|
</pre>
|
|
<ul class="endnotetexts"><li>This is <a href="../words-module/4-ap.html" class="internal">Preform grammar</a>, not regular C code.</li></ul>
|
|
<p class="commentary firstcommentary"><a id="SP5_1" class="paragraph-anchor"></a><b>§5.1. </b><span class="named-paragraph-container code-font"><span class="named-paragraph-defn">Store left and right kinds</span><span class="named-paragraph-number">5.1</span></span><span class="Preform-comment-syntax"> =</span>
|
|
</p>
|
|
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">Kinds::Dimensions::dim_set_multiplication</span><span class="plain-syntax">(</span><span class="identifier-syntax">RP</span><span class="plain-syntax">[1], </span><span class="identifier-syntax">RP</span><span class="plain-syntax">[2], </span><span class="identifier-syntax">glps</span><span class="plain-syntax">.</span><span class="element-syntax">kind_specified</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> ==> { </span><span class="constant-syntax">ABANDON_LPN</span><span class="plain-syntax">, - };</span>
|
|
</pre>
|
|
<ul class="endnotetexts"><li>This code is used in <a href="3-nlpr.html#SP5">§5</a>.</li></ul>
|
|
<p class="commentary firstcommentary"><a id="SP5_2" class="paragraph-anchor"></a><b>§5.2. </b><span class="named-paragraph-container code-font"><span class="named-paragraph-defn">Issue PM_MultiplyingNonKOVs problem</span><span class="named-paragraph-number">5.2</span></span><span class="comment-syntax"> =</span>
|
|
</p>
|
|
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">preform_lookahead_mode</span><span class="plain-syntax"> == </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">)</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">StandardProblems::sentence_problem</span><span class="plain-syntax">(</span><span class="identifier-syntax">Task::syntax_tree</span><span class="plain-syntax">(), </span><span class="identifier-syntax">_p_</span><span class="plain-syntax">(</span><span class="identifier-syntax">PM_MultiplyingNonKOVs</span><span class="plain-syntax">),</span>
|
|
<span class="plain-syntax"> </span><span class="string-syntax">"only kinds of value can be multiplied here"</span><span class="plain-syntax">,</span>
|
|
<span class="plain-syntax"> </span><span class="string-syntax">"and only in a sentence like 'A length times a length specifies an area.'"</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> ==> { </span><span class="constant-syntax">ABANDON_LPN</span><span class="plain-syntax">, </span><span class="identifier-syntax">NULL</span><span class="plain-syntax"> }</span>
|
|
</pre>
|
|
<ul class="endnotetexts"><li>This code is used in <a href="3-nlpr.html#SP5">§5</a>.</li></ul>
|
|
<p class="commentary firstcommentary"><a id="SP5_3" class="paragraph-anchor"></a><b>§5.3. </b><span class="named-paragraph-container code-font"><span class="named-paragraph-defn">Issue PM_BadLPNameOption problem</span><span class="named-paragraph-number">5.3</span></span><span class="comment-syntax"> =</span>
|
|
</p>
|
|
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">preform_lookahead_mode</span><span class="plain-syntax"> == </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">) {</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">Problems::quote_source</span><span class="plain-syntax">(1, </span><span class="identifier-syntax">current_sentence</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">Problems::quote_wording</span><span class="plain-syntax">(2, </span><span class="identifier-syntax">W</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">StandardProblems::handmade_problem</span><span class="plain-syntax">(</span><span class="identifier-syntax">Task::syntax_tree</span><span class="plain-syntax">(), </span><span class="identifier-syntax">_p_</span><span class="plain-syntax">(</span><span class="identifier-syntax">PM_BadLPNameOption</span><span class="plain-syntax">));</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">Problems::issue_problem_segment</span><span class="plain-syntax">(</span>
|
|
<span class="plain-syntax"> </span><span class="string-syntax">"In the specification %1, I was expecting that '%2' would be an optional "</span>
|
|
<span class="plain-syntax"> </span><span class="string-syntax">"note about one of the notations: it should have been one of 'singular', "</span>
|
|
<span class="plain-syntax"> </span><span class="string-syntax">"'plural' or 'in ...'."</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">Problems::issue_problem_end</span><span class="plain-syntax">();</span>
|
|
<span class="plain-syntax"> }</span>
|
|
<span class="plain-syntax"> ==> { </span><span class="constant-syntax">ABANDON_LPN</span><span class="plain-syntax">, </span><span class="identifier-syntax">NULL</span><span class="plain-syntax"> }</span>
|
|
</pre>
|
|
<ul class="endnotetexts"><li>This code is used in <a href="3-nlpr.html#SP5">§5</a>.</li></ul>
|
|
<p class="commentary firstcommentary"><a id="SP4_2" class="paragraph-anchor"></a><b>§4.2. </b><span class="named-paragraph-container code-font"><span class="named-paragraph-defn">Parse the object noun phrase of the specifies sentence</span><span class="named-paragraph-number">4.2</span></span><span class="comment-syntax"> =</span>
|
|
</p>
|
|
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">glps</span><span class="plain-syntax">.</span><span class="element-syntax">offset_value</span><span class="plain-syntax"> = </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="function-syntax"><specifies-sentence-object></span><span class="plain-syntax">(</span><span class="identifier-syntax">Node::get_text</span><span class="plain-syntax">(</span><span class="identifier-syntax">q</span><span class="plain-syntax">));</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">switch</span><span class="plain-syntax"> (</span><span class="function-syntax"><<r>></span><span class="plain-syntax">) {</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">case</span><span class="plain-syntax"> </span><span class="identifier-syntax">PARTS_LPC:</span><span class="plain-syntax"> </span><span class="identifier-syntax">glps</span><span class="plain-syntax">.</span><span class="element-syntax">part_np_list</span><span class="plain-syntax"> = </span><span class="function-syntax"><<rp>></span><span class="plain-syntax">; </span><span class="reserved-syntax">break</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">case</span><span class="plain-syntax"> </span><span class="identifier-syntax">SCALING_LPC:</span><span class="plain-syntax"> </span><span class="reserved-syntax">break</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> }</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">glps</span><span class="plain-syntax">.</span><span class="element-syntax">kind_specified</span><span class="plain-syntax"> == </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">) </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">m</span><span class="plain-syntax">;</span>
|
|
</pre>
|
|
<ul class="endnotetexts"><li>This code is used in <a href="3-nlpr.html#SP4">§4</a>.</li></ul>
|
|
<p class="commentary firstcommentary"><a id="SP6" class="paragraph-anchor"></a><b>§6. </b>The object noun phrase of a "specifies" sentence is required to match
|
|
the following grammar. Note that the tails are mutually exclusive; you
|
|
can't set both scaling and an equivalent, for instance.
|
|
</p>
|
|
|
|
<pre class="Preform-displayed-code all-displayed-code code-font">
|
|
<span class="Preform-function-syntax"><specifies-sentence-object></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">::=</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><kind-specified></span><span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><lp-specification-tail></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">|</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> { pass 2 }</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><kind-specified></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> { 0, NULL }</span>
|
|
|
|
<span class="Preform-function-syntax"><kind-specified></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">::=</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><k-kind-articled></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">|</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> { 0, NULL }; glps.kind_specified = RP[1];</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">...</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> </span><span class="named-paragraph-container code-font"><a href="3-nlpr.html#SP6_6" class="named-paragraph-link"><span class="named-paragraph">Issue PM_LPNotKOV problem</span><span class="named-paragraph-number">6.6</span></a></span>
|
|
|
|
<span class="Preform-function-syntax"><lp-specification-tail></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">::=</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">with</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">parts</span><span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><lp-part-list></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">|</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> { PARTS_LPC, RP[1] }</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><scaling-instruction></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">|</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> { SCALING_LPC, - }</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><scaling-instruction></span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">offset</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">by</span><span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><s-literal></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">|</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> </span><span class="named-paragraph-container code-font"><a href="3-nlpr.html#SP6_1" class="named-paragraph-link"><span class="named-paragraph">Scaling together with offset</span><span class="named-paragraph-number">6.1</span></a></span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">offset</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">by</span><span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><s-literal></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">|</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> </span><span class="named-paragraph-container code-font"><a href="3-nlpr.html#SP6_2" class="named-paragraph-link"><span class="named-paragraph">Offset alone</span><span class="named-paragraph-number">6.2</span></a></span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">equivalent</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">to</span><span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><s-literal></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> </span><span class="named-paragraph-container code-font"><a href="3-nlpr.html#SP6_3" class="named-paragraph-link"><span class="named-paragraph">Equivalency</span><span class="named-paragraph-number">6.3</span></a></span>
|
|
|
|
<span class="Preform-function-syntax"><scaling-instruction></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">::=</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">scaled</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">up</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">by</span><span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><scaling-amount></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">|</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> { SCALING_LPC, - }; glps.scaled_dir = LP_SCALED_UP</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">scaled</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">down</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">by</span><span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><scaling-amount></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">|</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> { SCALING_LPC, - }; glps.scaled_dir = LP_SCALED_DOWN</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">scaled</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">at</span><span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><scaling-amount></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> { SCALING_LPC, - }; glps.scaled_dir = LP_SCALED_AT</span>
|
|
|
|
<span class="Preform-function-syntax"><scaling-amount></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">::=</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><cardinal-number></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">|</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> </span><span class="named-paragraph-container code-font"><a href="3-nlpr.html#SP6_4" class="named-paragraph-link"><span class="named-paragraph">Accept an integer scale factor</span><span class="named-paragraph-number">6.4</span></a></span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><s-literal-real-number></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> </span><span class="named-paragraph-container code-font"><a href="3-nlpr.html#SP6_5" class="named-paragraph-link"><span class="named-paragraph">Accept a real scale factor</span><span class="named-paragraph-number">6.5</span></a></span>
|
|
</pre>
|
|
<ul class="endnotetexts"><li>This is <a href="../words-module/4-ap.html" class="internal">Preform grammar</a>, not regular C code.</li></ul>
|
|
<p class="commentary firstcommentary"><a id="SP6_1" class="paragraph-anchor"></a><b>§6.1. </b><span class="named-paragraph-container code-font"><span class="named-paragraph-defn">Scaling together with offset</span><span class="named-paragraph-number">6.1</span></span><span class="Preform-comment-syntax"> =</span>
|
|
</p>
|
|
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">glps</span><span class="plain-syntax">.</span><span class="element-syntax">offset_value_as_double</span><span class="plain-syntax"> = </span><span class="identifier-syntax">LiteralPatterns::get_latest_real</span><span class="plain-syntax">();</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">glps</span><span class="plain-syntax">.</span><span class="element-syntax">offset_value</span><span class="plain-syntax"> = </span><span class="identifier-syntax">RP</span><span class="plain-syntax">[2];</span>
|
|
<span class="plain-syntax"> ==> { </span><span class="identifier-syntax">SCALING_LPC</span><span class="plain-syntax">, - };</span>
|
|
</pre>
|
|
<ul class="endnotetexts"><li>This code is used in <a href="3-nlpr.html#SP6">§6</a>.</li></ul>
|
|
<p class="commentary firstcommentary"><a id="SP6_2" class="paragraph-anchor"></a><b>§6.2. </b><span class="named-paragraph-container code-font"><span class="named-paragraph-defn">Offset alone</span><span class="named-paragraph-number">6.2</span></span><span class="comment-syntax"> =</span>
|
|
</p>
|
|
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">glps</span><span class="plain-syntax">.</span><span class="element-syntax">offset_value_as_double</span><span class="plain-syntax"> = </span><span class="identifier-syntax">LiteralPatterns::get_latest_real</span><span class="plain-syntax">();</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">glps</span><span class="plain-syntax">.</span><span class="element-syntax">offset_value</span><span class="plain-syntax"> = </span><span class="identifier-syntax">RP</span><span class="plain-syntax">[1];</span>
|
|
<span class="plain-syntax"> ==> { </span><span class="identifier-syntax">OFFSET_LPC</span><span class="plain-syntax">, - };</span>
|
|
</pre>
|
|
<ul class="endnotetexts"><li>This code is used in <a href="3-nlpr.html#SP6">§6</a>.</li></ul>
|
|
<p class="commentary firstcommentary"><a id="SP6_3" class="paragraph-anchor"></a><b>§6.3. </b><span class="named-paragraph-container code-font"><span class="named-paragraph-defn">Equivalency</span><span class="named-paragraph-number">6.3</span></span><span class="comment-syntax"> =</span>
|
|
</p>
|
|
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">glps</span><span class="plain-syntax">.</span><span class="element-syntax">equivalent_value_as_double</span><span class="plain-syntax"> = </span><span class="identifier-syntax">LiteralPatterns::get_latest_real</span><span class="plain-syntax">();</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">glps</span><span class="plain-syntax">.</span><span class="element-syntax">equivalent_value</span><span class="plain-syntax"> = </span><span class="identifier-syntax">RP</span><span class="plain-syntax">[1];</span>
|
|
<span class="plain-syntax"> ==> { </span><span class="identifier-syntax">EQUIVALENT_LPC</span><span class="plain-syntax">, - };</span>
|
|
</pre>
|
|
<ul class="endnotetexts"><li>This code is used in <a href="3-nlpr.html#SP6">§6</a>.</li></ul>
|
|
<p class="commentary firstcommentary"><a id="SP6_4" class="paragraph-anchor"></a><b>§6.4. </b><span class="named-paragraph-container code-font"><span class="named-paragraph-defn">Accept an integer scale factor</span><span class="named-paragraph-number">6.4</span></span><span class="comment-syntax"> =</span>
|
|
</p>
|
|
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">glps</span><span class="plain-syntax">.</span><span class="element-syntax">scale_factor</span><span class="plain-syntax"> = </span><span class="identifier-syntax">R</span><span class="plain-syntax">[1];</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">glps</span><span class="plain-syntax">.</span><span class="element-syntax">scale_factor_as_double</span><span class="plain-syntax"> = (</span><span class="reserved-syntax">double</span><span class="plain-syntax">) </span><span class="identifier-syntax">R</span><span class="plain-syntax">[1];</span>
|
|
<span class="plain-syntax"> ==> { -, - };</span>
|
|
</pre>
|
|
<ul class="endnotetexts"><li>This code is used in <a href="3-nlpr.html#SP6">§6</a>.</li></ul>
|
|
<p class="commentary firstcommentary"><a id="SP6_5" class="paragraph-anchor"></a><b>§6.5. </b><span class="named-paragraph-container code-font"><span class="named-paragraph-defn">Accept a real scale factor</span><span class="named-paragraph-number">6.5</span></span><span class="comment-syntax"> =</span>
|
|
</p>
|
|
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">glps</span><span class="plain-syntax">.</span><span class="element-syntax">scale_factor</span><span class="plain-syntax"> = </span><span class="constant-syntax">1</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">glps</span><span class="plain-syntax">.</span><span class="element-syntax">scale_factor_as_double</span><span class="plain-syntax"> = </span><span class="identifier-syntax">LiteralPatterns::get_latest_real</span><span class="plain-syntax">();</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">glps</span><span class="plain-syntax">.</span><span class="element-syntax">uses_real_arithmetic</span><span class="plain-syntax"> = </span><span class="identifier-syntax">TRUE</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> ==> { -, - };</span>
|
|
</pre>
|
|
<ul class="endnotetexts"><li>This code is used in <a href="3-nlpr.html#SP6">§6</a>.</li></ul>
|
|
<p class="commentary firstcommentary"><a id="SP6_6" class="paragraph-anchor"></a><b>§6.6. </b><span class="named-paragraph-container code-font"><span class="named-paragraph-defn">Issue PM_LPNotKOV problem</span><span class="named-paragraph-number">6.6</span></span><span class="comment-syntax"> =</span>
|
|
</p>
|
|
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">preform_lookahead_mode</span><span class="plain-syntax"> == </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">)</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">StandardProblems::sentence_problem</span><span class="plain-syntax">(</span><span class="identifier-syntax">Task::syntax_tree</span><span class="plain-syntax">(), </span><span class="identifier-syntax">_p_</span><span class="plain-syntax">(</span><span class="identifier-syntax">PM_LPNotKOV</span><span class="plain-syntax">),</span>
|
|
<span class="plain-syntax"> </span><span class="string-syntax">"you can only specify ways to write kinds of value"</span><span class="plain-syntax">,</span>
|
|
<span class="plain-syntax"> </span><span class="string-syntax">"as created with sentences like 'A weight is a kind of value.'"</span><span class="plain-syntax">);</span>
|
|
</pre>
|
|
<ul class="endnotetexts"><li>This code is used in <a href="3-nlpr.html#SP6">§6</a>.</li></ul>
|
|
<p class="commentary firstcommentary"><a id="SP7" class="paragraph-anchor"></a><b>§7. </b>Of the optional tails, the only tricky one is the part list, which has the
|
|
following rather extensive grammar. This handles text like:
|
|
</p>
|
|
|
|
<blockquote>
|
|
<p>dollars and cents (optional, preamble optional)</p>
|
|
</blockquote>
|
|
|
|
<p class="commentary">The text is a list of part-names, each of which can optionally be followed
|
|
by a bracketed list of up to three options in any order.
|
|
</p>
|
|
|
|
<pre class="Preform-displayed-code all-displayed-code code-font">
|
|
<span class="Preform-function-syntax"><lp-part-list></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">::=</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><lp-part></span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">,</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">and</span><span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><lp-part-list></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">|</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> { 0, Node::compose(RP[1], RP[2]) }</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><lp-part></span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">,</span><span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><lp-part-list></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">|</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> { 0, Node::compose(RP[1], RP[2]) }</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><lp-part></span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">and</span><span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><lp-part-list></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">|</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> { 0, Node::compose(RP[1], RP[2]) }</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><lp-part></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> { 0, RP[1] }</span>
|
|
|
|
<span class="Preform-function-syntax"><lp-part></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">::=</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><np-unparsed-bal></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">(</span><span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><lp-part-option-list></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">)</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">|</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> { 0, LPRequests::mark(RP[1], R[2]) }</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><np-unparsed-bal></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> { 0, RP[1] }</span>
|
|
|
|
<span class="Preform-function-syntax"><lp-part-option-list></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">::=</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><lp-part-option></span><span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><lp-part-option-tail></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">|</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> { R[1] | R[2], - }</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><lp-part-option></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> { pass 1 }</span>
|
|
|
|
<span class="Preform-function-syntax"><lp-part-option-tail></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">::=</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">,</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">and</span><span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><lp-part-option-list></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">|</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> { pass 1 }</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">,/and</span><span class="Preform-plain-syntax"> </span><span class="Preform-function-syntax"><lp-part-option-list></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> { pass 1 }</span>
|
|
|
|
<span class="Preform-function-syntax"><lp-part-option></span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">::=</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">optional</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">|</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> { OPTIONAL_LSO, - }</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">preamble</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">optional</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">|</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> { PREAMBLE_OPTIONAL_LSO, - }</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">without</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">leading</span><span class="Preform-plain-syntax"> </span><span class="Preform-constant-syntax">zeros</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">|</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> { WITHOUT_LEADING_ZEROS_LSO, - }</span>
|
|
<span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">......</span><span class="Preform-plain-syntax"> </span><span class="Preform-reserved-syntax">==></span><span class="Preform-plain-syntax"> </span><span class="named-paragraph-container code-font"><a href="3-nlpr.html#SP7_1" class="named-paragraph-link"><span class="named-paragraph">Issue PM_BadLPPartOption problem</span><span class="named-paragraph-number">7.1</span></a></span>
|
|
</pre>
|
|
<ul class="endnotetexts"><li>This is <a href="../words-module/4-ap.html" class="internal">Preform grammar</a>, not regular C code.</li></ul>
|
|
<p class="commentary firstcommentary"><a id="SP7_1" class="paragraph-anchor"></a><b>§7.1. </b><span class="named-paragraph-container code-font"><span class="named-paragraph-defn">Issue PM_BadLPPartOption problem</span><span class="named-paragraph-number">7.1</span></span><span class="Preform-comment-syntax"> =</span>
|
|
</p>
|
|
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">preform_lookahead_mode</span><span class="plain-syntax"> == </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">) {</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">Problems::quote_source</span><span class="plain-syntax">(1, </span><span class="identifier-syntax">current_sentence</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">Problems::quote_wording</span><span class="plain-syntax">(2, </span><span class="identifier-syntax">W</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">StandardProblems::handmade_problem</span><span class="plain-syntax">(</span><span class="identifier-syntax">Task::syntax_tree</span><span class="plain-syntax">(), </span><span class="identifier-syntax">_p_</span><span class="plain-syntax">(</span><span class="identifier-syntax">PM_BadLPPartOption</span><span class="plain-syntax">));</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">Problems::issue_problem_segment</span><span class="plain-syntax">(</span>
|
|
<span class="plain-syntax"> </span><span class="string-syntax">"In the specification %1, I was expecting that '%2' would be an optional "</span>
|
|
<span class="plain-syntax"> </span><span class="string-syntax">"note about one of the parts: it should have been one of 'optional', "</span>
|
|
<span class="plain-syntax"> </span><span class="string-syntax">"'preamble optional' or 'without leading zeros'."</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">Problems::issue_problem_end</span><span class="plain-syntax">();</span>
|
|
<span class="plain-syntax"> }</span>
|
|
<span class="plain-syntax"> ==> { </span><span class="constant-syntax">0</span><span class="plain-syntax">, - };</span>
|
|
</pre>
|
|
<ul class="endnotetexts"><li>This code is used in <a href="3-nlpr.html#SP7">§7</a>.</li></ul>
|
|
<p class="commentary firstcommentary"><a id="SP8" class="paragraph-anchor"></a><b>§8. </b></p>
|
|
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="identifier-syntax">literal_pattern_name</span><span class="plain-syntax"> *</span><span class="function-syntax">LPRequests::compose</span><button class="popup" onclick="togglePopup('usagePopup4')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup4">Usage of <span class="code-font"><span class="function-syntax">LPRequests::compose</span></span>:<br/><a href="3-nlpr.html#SP5">§5</a></span></button><span class="plain-syntax">(</span><span class="identifier-syntax">literal_pattern_name</span><span class="plain-syntax"> *</span><span class="identifier-syntax">A</span><span class="plain-syntax">, </span><span class="identifier-syntax">literal_pattern_name</span><span class="plain-syntax"> *</span><span class="identifier-syntax">B</span><span class="plain-syntax">) {</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">A</span><span class="plain-syntax"> == </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">) </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">B</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="identifier-syntax">A</span><span class="plain-syntax">-></span><span class="identifier-syntax">next_with_rp</span><span class="plain-syntax"> = </span><span class="identifier-syntax">B</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">A</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax">}</span>
|
|
</pre>
|
|
<p class="commentary firstcommentary"><a id="SP9" class="paragraph-anchor"></a><b>§9. </b>Nodes used as "parts" of a notation are annotated with a bitmap of these:
|
|
</p>
|
|
|
|
<pre class="definitions code-font"><span class="definition-keyword">define</span> <span class="constant-syntax">OPTIONAL_LSO</span><span class="plain-syntax"> </span><span class="constant-syntax">1</span>
|
|
<span class="definition-keyword">define</span> <span class="constant-syntax">PREAMBLE_OPTIONAL_LSO</span><span class="plain-syntax"> </span><span class="constant-syntax">2</span>
|
|
<span class="definition-keyword">define</span> <span class="constant-syntax">WITHOUT_LEADING_ZEROS_LSO</span><span class="plain-syntax"> </span><span class="constant-syntax">4</span>
|
|
</pre>
|
|
<pre class="displayed-code all-displayed-code code-font">
|
|
<span class="identifier-syntax">parse_node</span><span class="plain-syntax"> *</span><span class="function-syntax">LPRequests::mark</span><button class="popup" onclick="togglePopup('usagePopup5')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup5">Usage of <span class="code-font"><span class="function-syntax">LPRequests::mark</span></span>:<br/><a href="3-nlpr.html#SP7">§7</a></span></button><span class="plain-syntax">(</span><span class="identifier-syntax">parse_node</span><span class="plain-syntax"> *</span><span class="identifier-syntax">A</span><span class="plain-syntax">, </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">N</span><span class="plain-syntax">) {</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">A</span><span class="plain-syntax">) </span><span class="identifier-syntax">Annotations::write_int</span><span class="plain-syntax">(</span><span class="identifier-syntax">A</span><span class="plain-syntax">, </span><span class="identifier-syntax">lpe_options_ANNOT</span><span class="plain-syntax">, </span><span class="identifier-syntax">N</span><span class="plain-syntax">);</span>
|
|
<span class="plain-syntax"> </span><span class="reserved-syntax">return</span><span class="plain-syntax"> </span><span class="identifier-syntax">A</span><span class="plain-syntax">;</span>
|
|
<span class="plain-syntax">}</span>
|
|
</pre>
|
|
<nav role="progress"><div class="progresscontainer">
|
|
<ul class="progressbar"><li class="progressprev"><a href="3-nar.html">❮</a></li><li class="progresschapter"><a href="P-wtmd.html">P</a></li><li class="progresschapter"><a href="1-am.html">1</a></li><li class="progresschapter"><a href="2-bv.html">2</a></li><li class="progresscurrentchapter">3</li><li class="progresssection"><a href="3-dlr.html">dlr</a></li><li class="progresssection"><a href="3-pr.html">pr</a></li><li class="progresssection"><a href="3-tr.html">tr</a></li><li class="progresssection"><a href="3-nuor.html">nuor</a></li><li class="progresssection"><a href="3-uor.html">uor</a></li><li class="progresssection"><a href="3-tr2.html">tr2</a></li><li class="progresssection"><a href="3-dbtr.html">dbtr</a></li><li class="progresssection"><a href="3-rpr.html">rpr</a></li><li class="progresssection"><a href="3-nar.html">nar</a></li><li class="progresscurrent">nlpr</li><li class="progresssection"><a href="3-nrr.html">nrr</a></li><li class="progresssection"><a href="3-npr.html">npr</a></li><li class="progresssection"><a href="3-nvr.html">nvr</a></li><li class="progresssection"><a href="3-nar2.html">nar2</a></li><li class="progresssection"><a href="3-ir.html">ir</a></li><li class="progresschapter"><a href="4-nr.html">4</a></li><li class="progresschapter"><a href="5-id.html">5</a></li><li class="progresschapter"><a href="6-rls.html">6</a></li><li class="progresschapter"><a href="7-tc.html">7</a></li><li class="progresschapter"><a href="8-kpr.html">8</a></li><li class="progressnext"><a href="3-nrr.html">❯</a></li></ul></div>
|
|
</nav><!--End of weave-->
|
|
|
|
</main>
|
|
</body>
|
|
</html>
|
|
|